:root{--primary:#007bff;--primary-light:#00b4ff;--primary-dark:#0056b3;--secondary:#00b4d8;--accent:#0099ff;--text-primary:#1a365d;--text-secondary:#475569;--text-tertiary:#64748b;--text-muted:#94a3b8;--bg-primary:#ffffff;--bg-secondary:#f9fafb;--bg-tertiary:#f3f4f6;--bg-gradient:linear-gradient(135deg,rgba(0,123,255,0.13),rgba(0,180,216,0.13));--bg-gradient-alt:linear-gradient(135deg,#f5faff,#e9f6ff);--border-color:#e5e7eb;--border-light:#f3f4f6;--shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);--shadow-md:0 3px 10px rgba(0,0,0,0.08);--shadow-lg:0 8px 18px rgba(0,123,255,0.2);--shadow-xl:0 8px 20px rgba(0,123,255,0.2);--overlay-white:rgba(255,255,255,0.7);--overlay-card:rgba(255,255,255,0.9);--transition-fast:0.2s ease;--transition-base:0.3s ease;--transition-slow:0.4s ease;--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:3rem;--spacing-2xl:4rem}.dark-mode:root,:root.dark-mode,html.dark-mode{--primary:#00b4ff;--primary-light:#3bc1ff;--primary-dark:#0099e6;--secondary:#22d3ee;--accent:#06b6d4;--text-primary:#eaeaea;--text-secondary:#cbd5e1;--text-tertiary:#94a3b8;--text-muted:#64748b;--bg-primary:#1a1a22;--bg-secondary:#0d0d14;--bg-tertiary:#282833;--bg-gradient:linear-gradient(to bottom right,#0d0d14,#1a1a22);--bg-gradient-alt:linear-gradient(135deg,#1a1a22,#0d0d14);--border-color:#334155;--border-light:#1e293b;--shadow-sm:0 1px 2px 0 rgb(0 0 0/0.3);--shadow-md:0 3px 10px rgba(0,0,0,0.3);--shadow-lg:0 8px 18px rgba(0,180,255,0.25);--shadow-xl:0 8px 20px rgba(0,180,255,0.3);--overlay-white:rgba(25,25,35,0.6);--overlay-card:rgba(40,40,50,0.8)}html{color-scheme:light dark}html.dark-mode{color-scheme:dark}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--text-primary);transition:background var(--transition-slow),color var(--transition-slow);margin:0;padding-top:70px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.hero-section,body{background:var(--bg-gradient)}.hero-section{position:relative;height:90vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;transition:background var(--transition-slow)}.hero-section .circuit-background{position:absolute;top:0;left:0;width:100%;height:100%;background-image:url(/images/circuit-bg.png);background-size:cover;opacity:.15;z-index:0;transition:opacity var(--transition-base)}.dark-mode .hero-section .circuit-background{opacity:.08}.hero-section .hero-content{position:relative;z-index:1;padding:var(--spacing-lg)}.hero-section h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;color:var(--primary);margin-bottom:1rem;line-height:1.2;letter-spacing:-.02em}.hero-section h1,.hero-section p{transition:color var(--transition-base)}.hero-section p{font-size:clamp(1rem,2.5vw,1.2rem);margin-bottom:1.5rem;color:var(--text-secondary);line-height:1.7}.btn-primary,.btn-secondary,.hero-section .btn-primary,.hero-section .btn-secondary{display:inline-block;margin:.5rem;padding:.8rem 1.5rem;border-radius:10px;font-weight:600;text-decoration:none;transition:var(--transition-base);cursor:pointer;border:none;font-family:inherit;font-size:1rem}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:white;box-shadow:0 3px 12px rgba(0,123,255,.4);position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.2);transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,123,255,.5)}.btn-primary:hover:before{width:300px;height:300px}.btn-primary:active{transform:translateY(-1px)}.dark-mode .btn-primary{box-shadow:0 3px 12px rgba(0,180,255,.5)}.dark-mode .btn-primary:hover{box-shadow:0 6px 18px rgba(0,180,255,.6)}.btn-secondary{background:transparent;border:2px solid var(--primary);color:var(--primary);transition:var(--transition-base)}.btn-secondary:hover{background:var(--primary);color:white;transform:translateY(-3px);box-shadow:0 4px 12px rgba(0,123,255,.3)}.btn-secondary:active{transform:translateY(-1px)}.dark-mode .btn-secondary:hover{color:var(--bg-secondary);box-shadow:0 4px 12px rgba(0,180,255,.4)}.btn-cta-white{display:inline-block;width:170px;height:2rem;line-height:2rem;background-color:#ffffff;color:#000000;font-weight:600;font-size:1rem;border:none;border-radius:.5rem;text-align:center;cursor:pointer;text-decoration:none;transition:var(--transition-base)}.btn-cta-white:hover{background-color:#f0f0f0;transform:scale(1.05);box-shadow:0 4px 12px rgba(0,0,0,.1)}.btn-cta-white:active{transform:scale(1.02)}.dark-mode .btn-cta-white{background-color:#f1f5f9;color:#0d0d14}.dark-mode .btn-cta-white:hover{background-color:#e2e8f0;box-shadow:0 4px 12px rgba(0,180,255,.2)}.glow-on-hover:hover{box-shadow:0 0 25px rgba(0,123,255,.6)}.dark-mode .glow-on-hover:hover{box-shadow:0 0 25px rgba(0,180,255,.7)}.value-props{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap;padding:var(--spacing-2xl) var(--spacing-lg);background:var(--overlay-white);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);transition:background var(--transition-base)}.value-props .prop-item{text-align:center;width:180px;background:var(--overlay-card);padding:1.5rem;border-radius:15px;box-shadow:var(--shadow-md);transition:transform var(--transition-base),box-shadow var(--transition-base);border:1px solid var(--border-color)}.value-props .prop-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}.value-props .prop-icon{font-size:2rem;margin-bottom:var(--spacing-xs);transition:transform var(--transition-base)}.value-props .prop-item:hover .prop-icon{transform:scale(1.15)}.value-props .counter-value{font-size:2rem;font-weight:800;margin:.5rem 0;color:var(--primary);transition:color var(--transition-base)}.value-props .prop-label{font-size:.875rem;color:var(--text-secondary);transition:color var(--transition-base)}.category-showcase{text-align:center;padding:var(--spacing-2xl) var(--spacing-lg);transition:background var(--transition-base)}.category-showcase h2{font-size:clamp(1.5rem,4vw,2rem);margin-bottom:2rem;color:var(--text-primary);font-weight:700;transition:color var(--transition-base)}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;max-width:1200px;margin:0 auto}.category-card,.category-tile{padding:2rem;border-radius:15px;background:var(--bg-primary);transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base);cursor:pointer;text-decoration:none;color:inherit;display:block;border:2px solid var(--border-light)}.category-card:hover,.category-tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl)}.tile-project{border-left:4px solid var(--primary)}.tile-components{border-left:4px solid var(--secondary)}.tile-seminars{border-left:4px solid var(--accent)}.category-card h3,.category-tile h3{color:var(--text-primary);font-weight:600;margin-bottom:var(--spacing-xs);transition:color var(--transition-base)}.category-card p,.category-tile p{color:var(--text-secondary);font-size:.875rem;transition:color var(--transition-base)}.deals-carousel{padding:var(--spacing-2xl) var(--spacing-lg);text-align:center;background:var(--bg-secondary);transition:background var(--transition-base)}.deals-carousel h2{margin-bottom:2rem;color:var(--text-primary);font-size:clamp(1.5rem,4vw,2rem);font-weight:700;transition:color var(--transition-base)}.carousel-track{display:flex;overflow-x:auto;gap:1.5rem;scroll-behavior:smooth;padding-bottom:1rem;scrollbar-width:thin;scrollbar-color:var(--primary) var(--bg-tertiary)}.carousel-track::-webkit-scrollbar{height:8px}.carousel-track::-webkit-scrollbar-track{background:var(--bg-tertiary);border-radius:10px}.carousel-track::-webkit-scrollbar-thumb{background:var(--primary);border-radius:10px}.product-card{min-width:220px;background:var(--bg-primary);border-radius:15px;padding:1.2rem;box-shadow:var(--shadow-md);transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base);border:1px solid var(--border-color)}.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}.product-card img{width:100%;height:140px;object-fit:contain;margin-bottom:.5rem;border-radius:8px;transition:transform var(--transition-base)}.product-card:hover img{transform:scale(1.05)}.product-card h4{color:var(--text-primary);font-size:1rem;margin-bottom:var(--spacing-xs)}.price-old,.product-card h4{transition:color var(--transition-base)}.price-old{text-decoration:line-through;color:var(--text-muted);font-size:.875rem}.price-new{font-weight:700;color:var(--primary);font-size:1.125rem;margin-left:var(--spacing-xs);transition:color var(--transition-base)}.btn-add-cart{background:linear-gradient(135deg,var(--primary),var(--secondary));color:white;border:none;padding:.5rem 1rem;border-radius:8px;cursor:pointer;margin-top:.6rem;transition:transform var(--transition-base);font-weight:600;font-family:inherit;width:100%}.btn-add-cart:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(0,123,255,.4)}.btn-add-cart:active{transform:scale(1.02)}.dark-mode .btn-add-cart:hover{box-shadow:0 4px 12px rgba(0,180,255,.5)}.trust-section{text-align:center;padding:var(--spacing-xl) var(--spacing-lg);background:var(--bg-gradient-alt);transition:background var(--transition-base)}.trust-section i{font-size:2rem;color:var(--primary);margin-bottom:var(--spacing-xs)}.trust-section h3,.trust-section i{transition:color var(--transition-base)}.trust-section h3{margin:.8rem 0;color:var(--text-primary);font-weight:600}.trust-section p{color:var(--text-secondary);font-size:.9rem;transition:color var(--transition-base)}.insights-section{text-align:center;padding:var(--spacing-2xl) var(--spacing-lg);background:var(--bg-secondary);transition:background var(--transition-base)}.insights-section h2{color:var(--text-primary);font-size:clamp(1.5rem,4vw,2rem);margin-bottom:var(--spacing-lg);font-weight:700;transition:color var(--transition-base)}.blog-previews{display:flex;justify-content:center;flex-wrap:wrap;gap:1.5rem;margin-bottom:1rem}.blog-post{position:relative;width:250px;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md);transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base);background:var(--bg-primary);border:1px solid var(--border-color)}.blog-post:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}.blog-post img{width:100%;height:150px;object-fit:cover;transition:transform var(--transition-base)}.blog-post:hover img{transform:scale(1.08)}.blog-post-content{padding:var(--spacing-sm)}.blog-post h4{color:var(--text-primary);font-size:1rem;margin-bottom:var(--spacing-xs)}.blog-post h4,.blog-post p{transition:color var(--transition-base)}.blog-post p{color:var(--text-secondary);font-size:.875rem}.footer-cta{text-align:center;padding:var(--spacing-2xl) var(--spacing-lg);background:var(--bg-gradient-alt);transition:background var(--transition-base)}.footer-cta .container{text-align:center;max-width:800px;margin:0 auto}.footer-cta h2{color:var(--text-primary);margin-bottom:var(--spacing-md)}.footer-cta h2,.footer-cta p{transition:color var(--transition-base)}.footer-cta p{color:var(--text-secondary);margin-bottom:var(--spacing-lg)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.skip-to-content{position:absolute;top:-40px;left:0;background:var(--primary);color:white;padding:8px 16px;text-decoration:none;z-index:100;transition:top var(--transition-fast)}.skip-to-content:focus{top:0}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px}a:focus-visible,button:focus-visible{outline:3px solid var(--primary);outline-offset:4px}@media (max-width:1024px){body{padding-top:65px}.hero-section{height:80vh}}@media (max-width:768px){body{padding-top:60px}.hero-section{height:70vh}.hero-section h1{font-size:2.2rem}.category-showcase,.deals-carousel,.insights-section,.value-props{padding:var(--spacing-lg) var(--spacing-sm)}.category-grid{grid-template-columns:1fr;gap:1rem}}@media (max-width:480px){body{padding-top:56px}.hero-section{height:60vh}.value-props .prop-item{width:100%;max-width:280px}.product-card{min-width:180px}.btn-primary,.btn-secondary{display:block;width:100%;margin:.5rem 0}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.blog-post,.btn-cta-white,.btn-primary,.btn-secondary,.category-tile,.product-card{transform:translateZ(0);backface-visibility:hidden;perspective:1000px}@media print{body{padding-top:0;background:white;color:black}.btn-add-cart,.btn-primary,.btn-secondary,.hero-section .circuit-background{display:none}.blog-post,.category-tile,.product-card{break-inside:avoid;box-shadow:none;border:1px solid #ddd}}*{transition:background-color var(--transition-base),color var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.skip-to-main{position:absolute;left:-9999px;z-index:9999;padding:1rem;background:#667eea;color:white;text-decoration:none;border-radius:4px;font-weight:600;font-size:.875rem;transition:left .2s ease}.skip-to-main:focus{left:10px!important;top:10px!important}:root{--pi-primary:#2563eb;--pi-secondary:#06b6d4;--pi-text-primary:#1e293b;--pi-text-secondary:#475569;--pi-text-tertiary:#64748b;--pi-bg-main:linear-gradient(135deg,#eff6ff,#e0f2fe 50%,#dbeafe);--pi-bg-card:rgba(255,255,255,0.9);--pi-bg-section:rgba(255,255,255,0.5);--pi-border:rgba(226,232,240,0.8);--pi-shadow:0 4px 6px rgba(0,0,0,0.1);--pi-shadow-lg:0 20px 40px rgba(0,0,0,0.15);--pi-gradient:linear-gradient(90deg,#2563eb,#06b6d4);--pi-radius:1rem;--pi-transition:0.3s cubic-bezier(0.4,0,0.2,1)}body,html{margin:0;padding:0;background:var(--pi-bg-main);color:var(--pi-text-primary);transition:background .3s ease,color .3s ease}body{min-height:100vh;overflow-x:hidden}main{animation:fadeIn .2s ease-in}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(1turn)}}